Add issue templates for bug reports, feature requests, and questions

Adds Gitea issue templates in .gitea/ISSUE_TEMPLATE/:
- bug_report.md: Environment, steps to reproduce, error output
- feature_request.md: Use case, proposed solution, alternatives
- question.md: Context, what's been tried

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

.gitea/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,32 @@
+---
+name: Bug Report
+about: Report something that isn't working
+labels: bug
+---
+
+## Description
+
+What happened?
+
+## Steps to Reproduce
+
+1.
+2.
+3.
+
+## Expected Behavior
+
+What should have happened?
+
+## Environment
+
+- OS:
+- SmartTools version:
+- Provider:
+- Docker or native install?
+
+## Error Output
+
+```
+Paste any error messages here
+```